A wreck Tuesday evening on Highway 36 summoned the help of the Livingston County Sheriff’s Office, Chillicothe Police Department, the Highway Patrol, and the Missouri Department of Conservation.  Investigators said the accident occurred when Taylor Gatz, 38, of Kansas, hit a guardrail and then a concrete bridge railing.  Gatz refused medical treatment.  The crash was reported around 5:00 p.m., just west of Chillicothe.